(19)

(11)

EP 1 581 745 A3

(12)

(88) Date of publication A3: 06.10.2005 (43) Date of publication A2: 05.10.2005 Bulletin 2005/40 (21) Application number: 02802924.7 (22) Date of filing: 16.09.2002

(51) International Patent Classification (IPC)7: F04D 1/00 (86) International application number: PCT/US2002/029280 (87) International publication number: WO 2004/025125 (25.03.2004 Gazette 2004/13)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (71) Applicant: THE PENN STATE RESEARCH FOUNDATION University Park, PA 16802-7000 (US)	(72) Inventors: MCWHIRTER, John, R. Boalsburg, PA 16827 (US) BALAN, Prakash, G. Wilmington, DE 19803 (US) (74) Representative: Feray, Valérie et al Feray Lenne Conseil 39/41, avenue Aristide Briand 92163 Antony 92163 Antony (FR)